GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.


HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 600–1000 cm long; woody; without nodal roots. Culm-internodes terete. Lateral branches dendroid. Branch complement one, or two, or three, or several. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate. Leaf-blade midrib conspicuous.

INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in untidy tufts; with glumaceous subtending bracts; with axillary buds at base of spikelet.

FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 12–15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.

GLUMES Glumes several; persistent; shorter than spikelet. Lower glume surface without pits. Upper glume ovate. Upper glume apex acute; mucronate.

FLORETS Fertile lemma ovate; without keel; wingless. Lemma surface scabrous; unwrinkled; without grooves. Lemma apex acute; mucronate. Palea 5 -veined. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules absent, or 3; membranous; ciliate. Anthers 6. Stigmas 3; sparsely hairy. Ovary pubescent all over.

FRUIT Caryopsis with adherent pericarp; oblong.


Please cite this publication as detailed in How to Cite Version: 3rd February 2016.